<template>
    <div>
        <!-- 面包屑导航 -->
        <el-breadcrumb separator-class="el-icon-arrow-right">
            <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>用户管理</el-breadcrumb-item>
            <el-breadcrumb-item>用户列表</el-breadcrumb-item>
        </el-breadcrumb>
        <!-- end -->
        <el-card>
            <el-row :gutter="20">
                <el-col :span='7'>
                    <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getUsersList">
                        <el-button slot="append" icon="el-icon-search" @click="getUsersList"></el-button>
                    </el-input>
                </el-col>
                <el-col :span='3'>
                    <el-button type="primary" @click="addDialogVisible=true">添加用户</el-button>
                </el-col>
            </el-row>
            <!-- 用户列表区   -->
            <el-table :data="userlist" border stripe>
                <el-table-column type="index"></el-table-column>
                <el-table-column label="姓名" prop="username">
                </el-table-column>
                <el-table-column label="邮箱" prop="email">
                </el-table-column>
                <el-table-column label="电话" prop="mobile">
                </el-table-column>
                <el-table-column label="角色" prop="role_name">
                </el-table-column>
                <el-table-column label="状态">
                    <template slot-scope="scope">
                        <el-switch v-model="scope.row.mg_state" @change="userStateChanged(scope.row)">
                        </el-switch>
                    </template>
                </el-table-column>
                <el-table-column label="操作" width="180px">
                    <template slot-scope='scope'>
                        <!-- 修改按钮 -->
                        <el-button type="primary" icon="el-icon-edit" circle size="mini"
                            @click="showEditDialog(scope.row.id)">
                        </el-button>
                        <!-- 删除按钮 -->
                        <el-button type="danger" icon="el-icon-delete" circle size="mini"
                            @click="removeUserById(scope.row.id)">
                        </el-button>
                        <!-- 分配按钮 -->
                        <el-tooltip effect="dark" content="分配" placement="top" :enterable="false">
                            <el-button type="warning" icon="el-icon-star-off" circle size="mini"
                                @click="setRole(scope.row)">
                            </el-button>
                        </el-tooltip>


                    </template>
                </el-table-column>

            </el-table>
            <!-- 分页区域 -->
            <el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange"
                :current-page="queryInfo.pagenum" :page-sizes="[1, 2, 5, 10]" :page-size="queryInfo.pagesize"
                layout="total, sizes, prev, pager, next, jumper" :total="total">
            </el-pagination>
        </el-card>

        <!-- 添加用户功能 对话框-->
        <el-dialog title="添加用户" :visible.sync="addDialogVisible" width="50%" @close="addDialogClose">
            <!-- 内容主题区 -->
            <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px">
                <el-form-item label="用户名" prop="username">
                    <el-input v-model="addForm.username"></el-input>
                </el-form-item>
                <el-form-item label="密码" prop="password">
                    <el-input v-model="addForm.password"></el-input>
                </el-form-item>
                <el-form-item label="邮箱" prop="email">
                    <el-input v-model="addForm.email"></el-input>
                </el-form-item>
                <el-form-item label="手机" prop="mobile">
                    <el-input v-model="addForm.mobile"></el-input>
                </el-form-item>
            </el-form>
            <span slot="footer" class="dialog-footer">
                <el-button @click="addDialogVisible = false">取 消</el-button>
                <el-button type="primary" @click="addUser">确 定</el-button>
            </span>
        </el-dialog>
        <!-- 修改用户对话框 -->
        <el-dialog title="修改用户" :visible.sync="editDialogVisible" width="50%" @close="editDialogClosed">
            <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px">
                <el-form-item label="用户名">
                    <el-input v-model="editForm.username" disabled></el-input>
                </el-form-item>
                <el-form-item label="邮箱" prop="email">
                    <el-input v-model="editForm.email"></el-input>
                </el-form-item>
                <el-form-item label="手机" prop="mobile">
                    <el-input v-model="editForm.mobile"></el-input>
                </el-form-item>
            </el-form>
            <span slot="footer" class="dialog-footer">
                <el-button @click="editDialogVisible = false">取 消</el-button>
                <el-button type="primary" @click="editUserInfo">确 定</el-button>
            </span>
        </el-dialog>
        <!-- 分配角色对话框 -->
        <el-dialog title="分配角色" :visible.sync="setRoledialogVisible" width="50%" @close="setRoleDialogClose">
            <div>
                <p>当前的用户:{{userInfo.username}}</p>
                <p>当前的角色:{{userInfo.role_name}}</p>
                <p>分配新新角色:<el-select v-model="selectedRoleId" placeholder="请选择">
                        <el-option v-for="item in roleslist" :key="item.id" :label="item.roleName" :value="item.id">
                        </el-option>
                    </el-select>
                </p>
            </div>
            <span slot="footer" class="dialog-footer">
                <el-button @click="setRoledialogVisible = false">取 消</el-button>
                <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
            </span>
        </el-dialog>

    </div>
</template>

<script>
    export default {
        data() {
            //自定义验证邮箱规则
            var checkEmail = (rule, value, cb) => {
                const regEmail = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/
                if (regEmail.test(value)) {
                    return cb()
                }
                cb(new Error('请输入合法的邮箱'))
            }
            //验证手机号
            var checkMobile = (rule, value, cb) => {
                const regMobile = /^(0|86|17951)?(13[0-9]|15[012356789]|17[678]|18[0-9]14[57])[0-9]{8}$/
                if (regMobile.test(value)) {
                    return cb()
                }
                cb(new Error('请输入合法的手机号'))
            }
            return {
                queryInfo: {
                    query: '',
                    pagenum: 1,
                    pagesize: 5
                },
                userlist: [],
                total: 0,
                addDialogVisible: false,
                //控制修改用户的对话框的显示与隐藏
                editDialogVisible: false,
                // 控制分配角色对话框
                setRoledialogVisible: false,
                addForm: {
                    username: '',
                    password: '',
                    email: '',
                    mobile: '',
                },
                // 添加表单验证对象
                addFormRules: {
                    username: [
                        { required: true, message: '请输入用户名', trigger: 'blur' }, { min: 3, max: 10, message: '用户名长度在3到10字符之间', trigger: 'blur' }
                    ],
                    password: [
                        { required: true, message: '请输入密码', trigger: 'blur' }, { min: 6, max: 16, message: '用户名长度在6到16字符之间', trigger: 'blur' }
                    ],
                    email: [
                        { required: true, message: '请输入邮箱', trigger: 'blur' }, { validator: checkEmail, trigger: 'blur' }
                    ],
                    mobile: [
                        { required: true, message: '请输入手机', trigger: 'blur' }, { validator: checkMobile, trigger: 'blur' }
                    ]
                },
                // 查询用户对象
                editForm: {},
                // 修改表单的验证规则对象
                editFormRules: {
                    email: [
                        { required: true, message: '请输入邮箱', trigger: 'blur' },
                        { validator: checkEmail, trigger: 'blur' }
                    ],
                    mobile: [
                        { required: true, message: '请输入电话', trigger: 'blur' }, {
                            validator: checkMobile, trigger: 'blur'
                        }
                    ]
                },
                // 需要被分配权限的用户信息
                userInfo: {},
                // 所有角色的数据列表
                roleslist: [],
                // 已选择的角色ID
                selectedRoleId: ''

            }
        },
        created() {
            this.getUsersList()
        },
        methods: {
            async getUsersList() {
                const { data: res } = await this.$http.get('users', { params: this.queryInfo })
                // console.log(res);
                if (res.meta.status !== 200) {
                    return this.$message.error('获取用户列表失败！')
                }
                this.userlist = res.data.users
                this.total = res.data.total
            },
            handleSizeChange(newSize) {

                this.queryInfo.pagesize = newSize
                this.getUsersList()
            },
            handleCurrentChange(newPage) {
                this.queryInfo.pagenum = newPage
                this.getUsersList()
            },
            // 监听swich状态改变
            async userStateChanged(userinfo) {
                // console.log(userinfo);
                const { data: res } = await this.$http.put(`users/${userinfo.id}/state/${userinfo.mg_state}`)
                if (res.meta.status !== 200) {
                    userinfo.mg_state = !userinfo.mg_state
                    return this.$message.error('更新用户状态失败')
                }
                this.$message.success('更新状态成功')
            },
            addDialogClose() {
                this.$refs.addFormRef.resetFields()
            },
            // 点击按钮添加新用户
            addUser() {
                this.$refs.addFormRef.validate(async valid => {
                    if (!valid) return
                    const { data: res } = await this.$http.post('users', this.addForm)
                    if (res.meta, status !== 201) {
                        this.$message.error('添加用户失败!')
                    }
                    this.$message.success('添加用户成功!!')
                    this.addDialogVisible = false
                    //刷新列表
                    this.getUsersList()
                })
            },
            //展示编辑用户的对话框
            async showEditDialog(id) {
                const { data: res } = await this.$http.get('users/' + id)
                if (res.meta.status !== 200) {
                    return this.$message.error('查询失败')
                }
                this.editForm = res.data
                this.editDialogVisible = true
            },
            //监听修改用户对话框的关闭事件
            editDialogClosed() {
                this.$refs.editFormRef.resetFields()
            },
            //修改用户信息并提交
            editUserInfo() {
                this.$refs.editFormRef.validate(async valid => {
                    // console.log(valid);
                    if (!valid) return
                    //发起修改用户信息的数据请求     
                    const { data: res } = await this.$http.put('users/' + this.editForm.id, {
                        email: this.editForm.email,
                        mobile: this.editForm.mobile
                    })
                    if (res.meta.status !== 200) {
                        return this.$message.error('修改失败')
                    }
                    this.editDialogVisible = false
                    this.getUsersList()
                    this.$message.success('更新成功')
                })
            },
            //删除用户信息
            async removeUserById(id) {
                // console.log(id);
                const confirmResult = await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
                    confirmButtonText: '确定',
                    cancelButtonText: '取消',
                    type: 'warning'
                }).catch(err => err)
                if (confirmResult !== 'confirm') {
                    return this.$message.info('已取消删除')
                }
                const { data: res } = await this.$http.delete('users/' + id)
                if (res.meta.status !== 200) {
                    return this.$message.error('删除用户失败')
                }
                this.$message.success('删除成功')
                this.getUsersList()
            },
            // 展示角色分配的对话框
            async setRole(userInfo) {
                this.userInfo = userInfo
                const { data: res } = await this.$http.get('roles')
                if (res.meta.status !== 200) {
                    return this.$message.error('获取用户信息失败')
                }
                this.roleslist = res.data
                this.setRoledialogVisible = true
                // console.log(this.userInfo);
            },
            // 点击按钮分配角色
            async saveRoleInfo() {
                if (!this.selectedRoleId) {
                    return this.$message.error('请选择要分配的角色')
                }
                const { data: res } = await this.$http.put(`users/${this.userInfo.id}/role`, { rid: this.selectedRoleId })
                if (res.meta.status !== 200) {
                    return this.$message.error('更新角色失败!')
                }
                this.$message.success('更新成功!!!')
                this.getUsersList()
                this.setRoledialogVisible = false
            },
            // 监听分配角色对话框的关闭事件
            setRoleDialogClose() {
                this.selectedRoleId = ''
                this.userInfo = {}
            }

        },
    }
</script>

<style scoped>

</style>